EP2865922A4 - Ball screw, seal material, and seal structure - Google Patents

Ball screw, seal material, and seal structure Download PDF

Info

Publication number
EP2865922A4
EP2865922A4 EP13806918.2A EP13806918A EP2865922A4 EP 2865922 A4 EP2865922 A4 EP 2865922A4 EP 13806918 A EP13806918 A EP 13806918A EP 2865922 A4 EP2865922 A4 EP 2865922A4
Authority
EP
European Patent Office
Prior art keywords
seal
ball screw
seal structure
seal material
ball
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13806918.2A
Other languages
German (de)
French (fr)
Other versions
EP2865922A1 (en
EP2865922B1 (en
Inventor
Yoji Ishizaki
Yoshiharu Kiyohara
Kenichiro Aoki
Katsuyuki Nakai
Yasuhiro Aoki
Toshihiko Kojima
Mitsuhiro Yamada
Takuya Taira
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitta Corp
Original Assignee
Nitta Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2012141417A external-priority patent/JP6045822B2/en
Priority claimed from JP2013027412A external-priority patent/JP6165460B2/en
Priority claimed from JP2013064485A external-priority patent/JP6045952B2/en
Application filed by Nitta Corp filed Critical Nitta Corp
Publication of EP2865922A1 publication Critical patent/EP2865922A1/en
Publication of EP2865922A4 publication Critical patent/EP2865922A4/en
Application granted granted Critical
Publication of EP2865922B1 publication Critical patent/EP2865922B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
    • F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • F16H25/2418—Screw seals, wipers, scrapers or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/168—Sealings between relatively-moving surfaces which permits material to be continuously conveyed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/181—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings for plastic packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
    • F16J15/3288—Filamentary structures, e.g. brush seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/19698—Spiral
    • Y10T74/19702—Screw and nut
    • Y10T74/19744—Rolling element engaging thread
    • Y10T74/19749—Recirculating rolling elements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Sealing Devices (AREA)
  • Gasket Seals (AREA)
EP13806918.2A 2012-06-22 2013-06-18 Ball screw Active EP2865922B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012141417A JP6045822B2 (en) 2012-06-22 2012-06-22 Ball screw, seal material, and seal structure
JP2013027412A JP6165460B2 (en) 2013-02-15 2013-02-15 Ball screw, seal material, and seal structure
JP2013064485A JP6045952B2 (en) 2013-03-26 2013-03-26 Ball screw, seal material, and seal structure
PCT/JP2013/066662 WO2013191157A1 (en) 2012-06-22 2013-06-18 Ball screw, seal material, and seal structure

Publications (3)

Publication Number Publication Date
EP2865922A1 EP2865922A1 (en) 2015-04-29
EP2865922A4 true EP2865922A4 (en) 2018-02-21
EP2865922B1 EP2865922B1 (en) 2020-11-18

Family

ID=49768753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13806918.2A Active EP2865922B1 (en) 2012-06-22 2013-06-18 Ball screw

Country Status (7)

Country Link
US (1) US9488255B2 (en)
EP (1) EP2865922B1 (en)
KR (1) KR102058637B1 (en)
CN (1) CN104395643B (en)
IN (1) IN2015MN00048A (en)
TW (1) TWI616604B (en)
WO (1) WO2013191157A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3279510B1 (en) 2015-04-02 2019-06-26 NSK Ltd. Screw shaft, manufacturing method thereof, and ball screw device
JP6660541B2 (en) * 2015-08-18 2020-03-11 株式会社ジェイテクト Seal member
JP2017053418A (en) * 2015-09-09 2017-03-16 ニッタ株式会社 Seal material and seal mechanism
JP2017057891A (en) * 2015-09-15 2017-03-23 ニッタ株式会社 Seal material and seal mechanism
JP6602645B2 (en) * 2015-11-02 2019-11-06 ニッタ株式会社 Sealing material fixing structure
US10612634B2 (en) * 2016-03-18 2020-04-07 Hiwin Technologies Corp. Dustproof device for ball screw
EP3428481B1 (en) * 2017-07-13 2021-08-25 Ratier-Figeac SAS Ice breaking seal and method of manufacturing the same
EP3447335B1 (en) 2017-08-25 2021-11-17 Goodrich Actuation Systems Limited Screw seal and lubrication
US10612590B2 (en) 2018-01-24 2020-04-07 New-Field Energy, LLC Buoyancy-enhanced helical loop drive system
CN110319166A (en) * 2019-07-27 2019-10-11 绍兴市上虞荣达实业有限公司 A kind of pusher structure
CN112797129B (en) * 2019-11-14 2022-07-05 山东大学 Static pressure lubrication cooling type ball screw pair and method

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS523547Y2 (en) 1973-10-22 1977-01-25
JPS5347476U (en) * 1976-09-28 1978-04-21
US4407511A (en) * 1981-07-24 1983-10-04 General Motors Corporation Seal and scraper assembly
JPS58163867A (en) 1982-03-19 1983-09-28 Tsukamoto Seiki Kk Seal ring
JP2794568B2 (en) 1988-04-25 1998-09-10 エヌオーケー株式会社 Screw shaft seal and manufacturing method thereof
DE3817172A1 (en) * 1988-05-20 1989-11-30 Kugelfischer G Schaefer & Co GASKET FOR A BALL SCREW DRIVE
US4905533A (en) * 1988-12-27 1990-03-06 Thomson Saginaw Ball Screw Company, Inc. Seal and scraper assembly for ball bearing screws and the like
US5178029A (en) * 1991-09-10 1993-01-12 Dana Corporation Ball screw seal
JPH06201013A (en) * 1992-12-28 1994-07-19 Koyo Seiko Co Ltd Ball screw
JPH06213299A (en) * 1993-01-20 1994-08-02 Nippon Seiko Kk Fixing construction of fitting member of nut
JP3382286B2 (en) 1993-02-19 2003-03-04 株式会社リケン Hydraulic seal ring
JPH07179846A (en) 1993-12-24 1995-07-18 Ntn Corp Oil seal ring
JP3435856B2 (en) * 1994-11-15 2003-08-11 日本精工株式会社 Ball screw device
JP4482168B2 (en) * 1998-11-30 2010-06-16 株式会社ツバキ・ナカシマ Ball screw sealing device
EP1150037B1 (en) * 1999-11-08 2005-12-14 Thk Co., Ltd. Ball screw
JP2001304420A (en) 2000-02-18 2001-10-31 Daikin Ind Ltd Seal ring
JP2001304372A (en) 2000-04-25 2001-10-31 Nsk Ltd Ball screw apparatus
JP2004278594A (en) * 2003-03-13 2004-10-07 Nsk Ltd Ball screw device
JP4396375B2 (en) * 2004-04-21 2010-01-13 日本精工株式会社 Ball screw device
JP2007303523A (en) * 2006-05-10 2007-11-22 Nsk Ltd Actuator
JP4839264B2 (en) * 2007-05-31 2011-12-21 黒田精工株式会社 Ball screw lubrication seal device
US8511896B2 (en) * 2007-09-28 2013-08-20 Thk Co., Ltd. Rolling device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
CN104395643A (en) 2015-03-04
KR102058637B1 (en) 2019-12-23
EP2865922A1 (en) 2015-04-29
IN2015MN00048A (en) 2015-10-16
US20150114156A1 (en) 2015-04-30
KR20150027794A (en) 2015-03-12
EP2865922B1 (en) 2020-11-18
TW201418599A (en) 2014-05-16
TWI616604B (en) 2018-03-01
US9488255B2 (en) 2016-11-08
CN104395643B (en) 2017-03-15
WO2013191157A1 (en) 2013-12-27

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